Severe Thunderstorms in Portions of the Mississippi Valley and Great Lakes

A few severe thunderstorms with large hail, are expected across parts of the middle and upper Mississippi River Valley tonight through early morning. Snow and a wintry mix overnight in the Upper Midwest into the Great Lakes can cause hazardous travel conditions. Fire weather concerns continue for a large portion of the central and southern High Plains and Four Corners region this evening. Read More >

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Overcast

60°F

16°C

Humidity	65%
Wind Speed	SW 7 mph
Barometer	30.05 in (1017.0 mb)
Dewpoint	48°F (9°C)
Visibility	10.00 mi
Last update	31 Mar 2:54 am EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Brownstown PA

Overnight
Low: 59 °F
Partly Cloudy
Tuesday
High: 76 °F
Slight Chance
Showers then
Partly Sunny
Tuesday Night
Low: 62 °F
Chance
T-storms then
Showers
Likely
Wednesday
High: 68 °F
Showers
Likely then
Showers
Wednesday Night
Low: 56 °F
Showers
Thursday
High: 74 °F
Showers
Likely
Thursday Night
Low: 58 °F
Showers
Likely then
Chance
Showers
Friday
High: 79 °F
Partly Sunny
then Chance
Showers
Friday Night
Low: 58 °F
Chance
Showers

Detailed Forecast

Overnight

Partly cloudy, with a low around 59. Southwest wind around 8 mph, with gusts as high as 21 mph.

Tuesday

A slight chance of showers between 4pm and 5pm. Partly sunny, with a high near 76. Southwest wind around 11 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

Tuesday Night

A chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 3am, then a chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 62. Southwest wind around 6 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday

Showers and possibly a thunderstorm. High near 68. West wind around 7 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Showers and possibly a thunderstorm before 11pm, then showers likely. Low around 56. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday

A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 74. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday Night

Showers likely, mainly before 8pm. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.

Friday

A chance of showers after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 50%.

Friday Night

A chance of showers before 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.

Saturday

Showers likely, mainly after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 60%.

Saturday Night

Showers likely. Mostly cloudy, with a low around 55. Chance of precipitation is 60%.

Sunday

Showers likely. Mostly cloudy, with a high near 71. Chance of precipitation is 70%.